Remove @schemaLocation
attribute from <TEI/>
elements.
Before transformation:
<TEI xmlns="http://www.tei-c.org/ns/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="some//location">
<teiHeader>
<!-- ... -->
</TEI>
After transformation:
<TEI xmlns="http://www.tei-c.org/ns/1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<teiHeader>
<!-- ... -->
</TEI>